Sole channeling and rounding machine.



PatenfedN'oy. 26, IQDI.

. L. GODDIL- SOLE CHANNELINGAND BOUNDING MACHINE.

(Application filed Jan. 11, 1899.)

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' (No Model.)

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N01 687,683, Patented Nov.-26,|90I.

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SOLE GHANNELING AND ROUNDING MACHINE.

(Application filed Ian. 11, 1899,) (No lflqdgl.) 3 Sheets-Sheet 2.

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No. 637,683. I Patented Nov. 26, l90l. L. GUDDU.

SOLE CHANNELINGAND BOUNDING MACHINE.

(Application filed Jan. 11, 1899.)

(No Model.) 3 Sh96ts-Sh6et 3.

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PATENT LOUIS GODDU, OF WINCHESTER, MASSACHUSETTS.

SOLE CHANNELING AND ROUNDING MACHINE.

SPECIFICATION formingpart of Letters Patent No. 687,683, dated November 26, 190 1.

Application filed January 11,1899. Serial No. 701,835. (No model.)

To all whom it may concern:

Be it known that I, LOUIS GODDU, of Winchester, county of Middlesex, State of Massachusetts, have invented an Improvement in Sole Rounding and Channeling Machines, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

The present invention relates to improvements in machines of the above class; and it consists of certain new and useful improvements in the form and arrangement of parts hereinafter more fully pointed out in this Specification and defined in the claims.

A preferred form of my invention is illustrated in the accompanying drawings, in which- Figure 1 shows a front elevation. Fig. 2 is a much-enlarged detail showing part of the upper, sole, and welt of a shoe with the rounding and channeling knives to illustrate their method of operation. Fig. 3 is a left-hand side elevation of the working parts of the machine referred to in Fig. 1. Fig. 4 shows a portion of the holder in section, together with the channel-knife carrier, it also being in section, and the channel-knife and part of the rounding-knife, said section being on the line on, Fig. 5. Fig. 5 is a partial front elevation of the holder looking at it in the direction of the arrow, Fig. 4:, together with the channelknife carrier and channel-knife. Fig. 6 is a top view of the parts shown in Fig. 5. Fig. 7 shows the rest removed. Fig; 7 shows the channel-knife block or carrier detached, the knife being omitted. Fig. 7 shows the channel-knife detached. Fig. 8 is a section on the line at, Fig. 1, a part of a shoe on its last being represented to illustrate its position during the operation of rounding and chan neling the sole. Fig. 9 is a detail showing the spring actingon the end of the sliding and locking rod, to which is attached the channelknife block or carrier. Fig. 10 shows a partial right-hand end elevation of Fig. 8, chiefly to illustrate the stop for determining the forward position of the bar or slide 9' under the action of its spring h.

Referring to the drawings, A represents a head suitable to support the working parts of the machine and conveniently provided with a depending shank A, adjustably supported in a column A as is usual in certain types of sewing-machines and otherclasses of column-machines. The head A is provided with suitable bearings at a. to receive the main shaft B, which may be conveniently provided with a balance-wheel B and driven by a pulley B In connection with the pulley B I have illustrated a loose pulley B and a suitable belt-shipper B, provided with a handle B by which the operator can readily shift the belt. The shaft B carries a cam-disk 0, upon which are formed two cam-grooves c and 0. (See Figs. 1 and 8.)

Mounted in suitable bearings a on the head A is a short shaft 19, upon which is fulcrumed an elbow-lever b, one arm 5 of which carries a cam-roll b which engages the camgroove 0 on the disk 0, the other arm Zi being provided with a segmental gear, which meshes with the segmental gear 01 on the rounding-knife segment d. The roundingknife segment consists of asegmental slide mounted in a suitable race or groove o in the head A, and the rounding-knife is secured thereto in any suitable manner, conveniently by means of the plate 01' and setscrews (1 Upon the periphery of the segment d is formed the gear d*, the arrangement being such that a rotation of the disk 0 gives the rounding-knife d a rapid oscillatory movement, as usual in this class of machines, the cam-groove 0, however, being so formed that there is a slight dwell between each complete oscillation of the knife d T0 guide and support the work against the action of the knife (1 I have provided a combined work-support and crease-gage c,which engages the crease between the upper and welt and supports the welt against the action of knife d Preferably the gage is so arranged as to be movable about an axis at right angles, or nearly so, to the line of feed. The advantage of this arrangement is that in following the curved contour of the welt the gage will conform thereto, so that it will always afford a firm support for the Welt, thus insuring a clean and even cut. To permit the movement of the combined work-support and gage 6, above referred to, it is provided with a rigid shank e, (see dotted lines, Figs.1 and 8,) which enters a socket in the arm e fixed rigidly to the head A, conveniently by the bolt 2. (See Figs. 1 and 8.) The shank c has an annular groove, (shown in dotted lines, Fig. 1,) which is entered by a screw 6 said screw acting to retain the shank e in the arm e yet permitting it to oscillate somewhat in a plane at right angles to the line of feed, which in the machine in the drawings is a vertical plane.

The lower edge of the combined work-support and gage e is preferably rounded and beveled to permit it to accurately engage the crease, and a throat e is formed therein, which the knife (1 enters after penetrating the stock.

The machine of the drawings is provided with a tipping channel-knife block, which, broadly speaking, is a well-known device in this art, butin the construction of whichIhave made certain improvements which I consider to be my invention and which greatly improve the operation of the device.

As shown, the channel-knife block or carrier is substantially semicylindrical, preferably, however, having its working face cut away or beveled in opposite directions, as shown at f, Figs. 4 and 7, so that the face of the block may contact with and follow the variations in the face of the sole. The channel-knife block or carrier is provided with a semicylindrical hub f and upon each of its sides are formed a series ofcurved ridges f, concentric with the hub f which engage a series of grooves formed in the open-faced cylindrical pocket in Which the block or carrier is mounted and which is formed at thelower end of an arm g.

The engaginggrooves and ridges above described in connection with the hub f serve to keep the block or carrierf in its carryingpocket, while permitting it to turn freely, thus providing a support for the block or carrier not subject to such wear as will render the knife inaccurate in its operation owing to the looseness of its support. The channel-knife is shown atfand may be conveniently provided with a shankf, which is fitted to a hole in the carrierf and clamped therein by a setserew f or other suitable means.

The block or knife carrierf is slotted, as at f, above the knife, and the arm 9 is also slotted, as at 9 said slots alfording a passageway for the rounding-knife as it moves toward and from the work. It will be noted that the block or carrierf extends above the knife 62 and that its upper portion bears upon the sole above the line of cut of the roundingknife (1 and I regard this as a novel and important feature of my invention, since the work is thus supported against the retracting as well as the cutting action of the knife, which insures a clean cut and avoids any tendency to separate the sole from the welt.

To keep the knife-blockf pressed against the sole, the arm g is secured conveniently by the bolt 9 to one end of a shaft g, which is extended through the head A and is free to oscillate and slide in suitable bearings therein. Against the end of the shaft g bears a spring h, suitably held by a set-screw h in a log or projection h on the head A. This spring is of sufficient strength and normally acts to keep the arm g, with its block or carrierf pressed against the work lying against the work-support and gage e. The shaft 9 is conveniently provided with a suitable pin or projection 9 which meets a shoulder 9 on the head A and limits the extent of movement of the arm g and the blockf toward the work-support and gage e.

In the machine of the drawings the channelingknifef is given a rapid oscillatory movement in the line of feed, as is usual in this class of machines, and to provide therefor an arm 9 is secured to the shaft 9 which at its upper end carries a cam-roll g which engages the cam-groove 0, formed in the periphery of the disk C.

To retract-the channel-knife block or holder, I have provided a rack g on the shaft 9 which is engaged by a segmental gear formed on the elbow-lever m, pivoted at on on the head A. The lever m is connected with a suitable treadle by the rod 072 To aid the operator when rounding and channeling a sole designed to have a Scotch or Baltimore edge, I haveprovided a rest a, which is so placed as to enable the operator to press the shoe against it and properly guide it until the machine has finished operating on the extended edge portion, which would not be properly formed by holding the shoe to the crease-gage.

As shown, the rest a is located 011 the side of the rounding-knife toward the trimmed portion of the sole, and consists, preferably, of a finger projected from a shank (see Fig. 7) which is secured to the arm e preferably by the set-screw n, so as to be vertically adjustable. The finger above referred to projects in position to engage the trimmed edge of the sole when it is desired to tip the shoe to provide for a variation in the width of the edge.

It will be noted that the rest at is located to one side of the path of movement of the rounding-knife, and when the shoe is tipped about the rest as a center the tipping center of the shoe is changed, and thus the position of the line of cut is changed and thrown toward or away from the medial line of the sole, thus producing a variation in the projection of the sole edge.

The operation of my invention will be fully understood from the foregoing description of the construction and mode of operation of its several elements.

I therefore claim as novel and desire to secure by Letters Patent of the United States- 1. In a rounding and channeling machine, the combination with a shaft and a bearing for the same, of an arm rigidly secured to said shaft, a knife-block mounted in said arm and carrying a channeling-knife, a work-support, means acting normally to move the shaft longitudinally in its bearing to hold the work against the work-support, and means for oscillating the shaft, substantially as described.

2. In a rounding and channeling machine, the combination with a shaft and a bearing for the same, of an arm rigidly secured to said shaft, a knife-block mounted in said arm and carrying a channeling-knife, a Work-support, and means for oscillating the shaft to impart to the channeling-knife a vibratory movement, substantially as described.

3. In a rounding and channeling machine, the combination with a segmental slide, of a rough rounding knife carried thereby, a guideway for said slide, and means for oscillating the slide in the guideway, substantially as described.

4. In a rounding and channeling machine, the combination with rounding and channeling knives, of suitable guides or gages for controlling the position of the shoe, and a rest at one side of said knives normally out of contact with the shoe forming a support about which the shoe may be tipped to vary the Width of the edge left by the rounding-knife, substantially as described.

5. In a rough-rounding and channeling machine, the combination with rounding and channeling knives, of suitable gages or guides for positioning the shoe, and an edge rest at one side of said knives, normally out of con tact with the edge of the shoe and into contact with which the trimmed edge of the shoe may be brought and-about which the shoe may be tipped to vary the Width of the edge, substantially as described.

6. In a rounding and channeling machine, the combination with a segmental slide provided with a rack, 21. rounding-knife carried by said slide, a guideway for the slide, a bellcrank lever carrying a segmental gear meshing with the rack, and means for actuating the lever, substantially as described.

7. In a machine for channeling boots and shoes on the last, the combination with a channel-knife block mounted to tip on an axis substantially parallel with the line of feed, of a channeling-knife carried thereby, and a combined work-support and crease gage mounted to tip on an axis at right angles to the line of feed, substantially as described.

8. In a rough-rounding and channeling machine, the combination with the roundingcutter, of a crease-gage located to engage the work in line with the path of movement of the rounding-cutter and an edge rest located to one side of the crease-gage, substantially as described.

9. In a rough-rounding and channeling machine, the combination with an oscillating and longitudinally-movable shaft, of an arm mounted on said shaft, a channel-cutter supported by said arm, and means to actuate said arm, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

I LOUIS GODDU.

Witnesses:

GEO. W. GREGORY, M. A. DUNN. 

